upgraded to express 3.x, converted jade templates, and worked out array notation for articles/exercises

test/node_modules/express/client.js

@@ -0,0 +1,25 @@
+
+var http = require('http');
+
+var times = 50;
+
+while (times--) {
+  var req = http.request({
+      port: 3000
+    , method: 'POST'
+    , headers: { 'Content-Type': 'application/x-www-form-urlencoded' }
+  });
+
+  req.on('response', function(res){
+    console.log(res.statusCode);
+  });
+
+  var n = 500000;
+  while (n--) {
+    req.write('foo=bar&bar=baz&');
+  }
+
+  req.write('foo=bar&bar=baz');
+
+  req.end();
+}